package com.maven.springmvc.controller;


import org.springframework.stereotype.Controller;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpSession;

@RequestMapping("/login")
@Controller
@RestController
public class LoginController {


    @RequestMapping("/check")
    public boolean check(String userName, String password,HttpSession session) {
        System.out.println("接收到参数 userName:"+userName + ",password:"+password);

        if (!StringUtils.hasLength(userName) || !StringUtils.hasLength(password)) {
            return false;
        }
        // 上面的 写法 作用跟 下述一样的
       /* if("".equals(userName) || "".equals(password)) {
            return false;
        }*/

        if("zhangsan".equals(userName) && "123456".equals(password)) {
            session.setAttribute("userName", userName);
            return true;
        }
        return false;
    }



    @RequestMapping("/index")
    public String index(HttpSession session) {

        String username=(String) session.getAttribute("userName");
        return username+" 欢迎回来 ";


    }
}
